/*
 * Copyright 2024 LinQingYing. and contributors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * The use of this source code is governed by the Apache License 2.0,
 * which allows users to freely use, modify, and distribute the code,
 * provided they adhere to the terms of the license.
 *
 * The software is provided "as-is", and the authors are not responsible for
 * any damages or issues arising from its use.
 *
 */

package com.linqingying.cangjie.types;

import com.linqingying.cangjie.types.checker.CangJieTypeRefiner;
import org.jetbrains.annotations.NotNull;

public class TypeProjectionImpl extends TypeProjectionBase{
    private final Variance projection;
    private final CangJieType type;

    public TypeProjectionImpl(@NotNull Variance projection, @NotNull CangJieType type) {
        this.projection = projection;
        this.type = type;
    }

    public TypeProjectionImpl(@NotNull CangJieType type) {
        this(Variance.INVARIANT, type);
    }
    @Override
    public @NotNull Variance getProjectionKind() {
        return projection;

    }

    @Override
    public @NotNull CangJieType getType() {
        return type;
    }


    @NotNull
    @Override
    @TypeRefinement
    public  TypeProjection refine(@NotNull CangJieTypeRefiner cangjieTypeRefiner) {
        return new TypeProjectionImpl(projection, cangjieTypeRefiner.refineType(type));

    }
    @NotNull
    @Override
    public  TypeProjection replaceType(@NotNull CangJieType type) {
        return new TypeProjectionImpl(this.projection, type);

    }
}
